docs: def model_post_save(sender, instance, created=False, **kwargs):
      """Signal emitted after any model is saved via Django ORM.
  
      :param sender: Model class that was saved
      :param instance: The actual instance that was saved
      :param created: True if a new row was created
      """
  
      if sender._meta.app_label == 'rest_framework_reactive':
          # Ignore own events.
          return
  
      def notify():
          table = sender._meta.db_table
          if created:
              notify_observers(table, ORM_NOTIFY_KIND_CREATE, instance.pk)
          else:
              notify_observers(table, ORM_NOTIFY_KIND_UPDATE, instance.pk)
  
      transaction.on_commit(notify)